Life in the aquarium - 10 prepared slides in box

59-5620 Life in the aquarium 59-5620/1 Bacteria from mud 59-5620/2 Algae growing on aquarium glass plates 59-5620/3 Hornwort (Ceratophyllum), stem t.s. 59-5620/4 Arrowhead (Sagittaria), leaf t.s. 59-5620/5 Ciliates, food for young fish, w.m. 59-5620/6 Small eels (Nematodes), food for older fish 59-5620/7 Pond snail (Lymnaea), t.s. through the body 59-5620/8 Tadpole, t.s. through the body 59-5620/9 Small fresh water fish, thorax t.s. 59-5620/10 Small fresh water fish, abdomen t.s.